On Fri, 20 Sep 2013 13:01:14 +0400 Antony Pavlov <antonynpav...@gmail.com> wrote:
ping-ping-ping > On Fri, 13 Sep 2013 18:37:27 +0400 > Antony Pavlov <antonynpav...@gmail.com> wrote: > > ping-ping > > > On Sat, 7 Sep 2013 11:04:22 +0400 > > Antony Pavlov <antonynpav...@gmail.com> wrote: > > > > ping > > > [RFC v5 1/5] hw/arm: add very initial support for Canon DIGIC SoC > > > [RFC v5 2/5] hw/arm/digic: prepare DIGIC-based boards support > > > [RFC v5 3/5] hw/arm/digic: add timer support > > > [RFC v5 4/5] hw/arm/digic: add UART support > > > [RFC v5 5/5] hw/arm/digic: add NOR ROM support > > > > > > Changes since v4: > > > 1. digic.h: parent_obj: change type Object -> DeviceState > > > 2. digic-uart: drop reg array > > > 3. digic_boards: fix K8P3215UQB comment > > > 4. Makefile: place digic stuff in own line > > > 5. drop cpu-qom.h inclusion > > > 6. digic.h: add private/public labels > > > 7. digic.h: fix guard macro > > > 8. move base address macros to digic.c > > > 9. fix header comments > > > > > > Changes since v3: > > > 1. fix typos and formatting > > > 2. digic-timer: drop DPRINTF > > > 3. digic-timer: fix DIGIC4_TIMER_BASE() macro > > > 4. digic.c: fix max timer device string > > > > > > Changes since v2: > > > 1. rebase over latest master; > > > * pass available size to object_initialize(). > > > 2. digic-uart: qemu_log: use LOG_UNIMP instead LOG_GUEST_ERROR; > > > 3. digic-boards: update rom image load code: introduce digic_load_rom(). > > > > > > Changes since v1: > > > 0. drop the "add ARM946E-S CPU" patch; > > > 1. convert to QOM, split DIGIC SoC code and board code > > > (thanks to Andreas Fa:rber, Peter Maydell and Peter Crosthwaite); > > > 2. fix digic-uart (many thanks to Peter Crosthwaite > > > for his comments); > > > 3. digic-boards: digic4_add_k8p3215uqb_rom(): update > > > rom image load code: use the '-bios' option. > > > > > > DIGIC is Canon Inc.'s name for a family of SoC > > > for digital cameras and camcorders. > > > > > > See http://en.wikipedia.org/wiki/DIGIC for details. > > > > > > There is no publicly available specification for > > > DIGIC chips. All information about DIGIC chip > > > internals is based on reverse engineering efforts > > > made by CHDK (http://chdk.wikia.com) and > > > Magic Lantern (http://www.magiclantern.fm) projects > > > contributors. > > > > > > Also this patch series adds initial support for Canon > > > PowerShot A1100 IS compact camera (it is my only camera > > > with connected UART interface). As the DIGIC-based cameras > > > differences mostly are unsignificant (e.g. RAM-size, > > > ROM type and size, GPIO usage) the other compact > > > and DSLR cameras support can be easely added. > > > > > > This DIGIC support patch series is inspired > > > by EOS QEMU from Magic Lantern project. > > > The main differences: > > > * EOS QEMU uses home-brew all-in-one monolith design; > > > this patch series uses conventional qemu object-centric design; > > > * EOS QEMU tries provide simplest emulation for most > > > controllers inside SoC to run Magic Lantern firmware; > > > this patch series provide more complete support > > > only for core devices to run barebox bootloader. > > > ** EOS QEMU does not support timer counting > > > (this patch series emulate 1 MHz counting); > > > ** EOS QEMU support DIGIC UART only for output > > > character to stderr; (this patch series emulate > > > introduces full blown UART interface); > > > ** EOS QEMU has incomplete ROM support; > > > (this patch series uses conventional qemu pflash). > > > > > > This initial DIGIC support can't be used to run > > > the original camera firmware, but it can successfully > > > run experimental version of barebox bootloader > > > (see http://www.barebox.org). > > > > > > The last sources of barebox for PowerShot A1100 can be > > > obtained here: > > > https://github.com/frantony/barebox/tree/next.digic.20130829 > > > > > > The precompiled ROM image usable with qemu can be > > > obtained here: > > > > > > https://github.com/frantony/barebox/blob/next.digic.20130829/canon-a1100-rom1.bin > > > > > > This ROM image (after "dancing bit" encoding) can be run on > > > real Canon A1100 camera. > > > > > > The short build instruction for __previous__ DIGIC barebox > > > version (it can be used with more recent sources too) can > > > be obtained here: > > > http://lists.infradead.org/pipermail/barebox/2013-August/016007.html > > > > > > -- > > Best regards, > > Antony Pavlov > > -- > Best regards, > Antony Pavlov -- -- Best regards, Antony Pavlov
